wehub-resource-sync
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
#include <string>
|
|
#include "paddle/ap/include/axpr/adt.h"
|
|
#include "paddle/ap/include/axpr/environment.h"
|
|
#include "paddle/ap/include/axpr/frame.h"
|
|
#include "paddle/ap/include/axpr/serializable_value.h"
|
|
|
|
namespace ap::axpr {
|
|
|
|
template <typename ValueT>
|
|
class ConstGlobalEnvironment : public Environment<ValueT> {
|
|
public:
|
|
ConstGlobalEnvironment(const std::shared_ptr<Environment<ValueT>>& parent,
|
|
const Frame<SerializableValue>& frame)
|
|
: parent_(parent), frame_(frame) {}
|
|
|
|
adt::Result<ValueT> Get(const std::string& var) const override {
|
|
ADT_LET_CONST_REF(frame_ptr, frame_.Get());
|
|
const auto& res = frame_ptr->OptGet(var);
|
|
if (res.has_value()) {
|
|
return res.value().template CastTo<ValueT>();
|
|
}
|
|
if (parent_ == nullptr) {
|
|
return NameError{std::string("name '") + var + "' is not defined."};
|
|
}
|
|
return parent_->Get(var);
|
|
}
|
|
|
|
adt::Result<adt::Ok> Set(const std::string& var, const ValueT& val) override {
|
|
return adt::errors::RuntimeError{"const global environment is immutable."};
|
|
}
|
|
|
|
std::optional<Frame<SerializableValue>> GetConstGlobalFrame() const override {
|
|
return frame_;
|
|
}
|
|
|
|
std::optional<Frame<SerializableValue>> RecursivelyGetConstGlobalFrame()
|
|
const override {
|
|
return frame_;
|
|
}
|
|
|
|
const Frame<SerializableValue>& frame() const { return frame_; }
|
|
|
|
private:
|
|
ConstGlobalEnvironment(const ConstGlobalEnvironment&) = delete;
|
|
ConstGlobalEnvironment(ConstGlobalEnvironment&&) = delete;
|
|
|
|
std::shared_ptr<Environment<ValueT>> parent_;
|
|
Frame<SerializableValue> frame_;
|
|
};
|
|
|
|
} // namespace ap::axpr
|